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Whole-project rollup at the latest vintage per category: printed project-level rows are preferred, and mining areas are summed (tonnes-weighted grade) only where the issuer prints no project-level row. Per-area and per-source detail in the Current R&R table below.
| Category | Tonnes (Mt) | Grade (g/t Au) | Contained (Moz Au) | As at |
|---|---|---|---|---|
| Measured | — | — | — | — |
| Indicated | — | — | — | — |
| Inferred | — | — | — | — |
| Total Resources | — | — | — | — |
| Proved | 142.30 Mt | 0.49 g/t | 2.25 Moz | 31 July 2025 |
| Probable | 706.60 Mt | 0.33 g/t | 7.52 Moz | 31 July 2025 |
| Total Reserves | 848.90 Mt | 0.36 g/t | 9.77 Moz | 31 July 2025 |
| Category | Tonnes (Mt) | Grade (% Cu) | Contained (Mt Cu) | As at |
|---|---|---|---|---|
| Measured | — | — | — | — |
| Indicated | — | — | — | — |
| Inferred | — | — | — | — |
| Total Resources | — | — | — | — |
| Proved | 192.50 Mt | 0.31% | 0.60 Mt Cu | 31 July 2025 |
| Probable | 767.00 Mt |
| Area | Category | Tonnes (Mt) | Au | Cu | As at | Source | Provenance | ||
|---|---|---|---|---|---|---|---|---|---|
| Grade (g/t Au) | Contained (Moz Au) | Grade (% Cu) | Contained (Mt Cu) | ||||||
| Total | Total Reserves | 848.90–959.40 Mt | 0.36 g/t | 9.77 Moz | 0.26% | 2.45 Mt Cu | 31 July 2025 | ||
| 1.85 Mt Cu |
| 31 July 2025 |
| Total Reserves | 959.40 Mt | 0.26% | 2.45 Mt Cu | 31 July 2025 |
notes (3)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Copper Mineral Reserve Milling and Leaching
QA notes:
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| Leaching | Proved | 50.20 Mt | — | — | 0.25% | 0.12 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Leaching)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Leaching)
QA notes:
|
| Leaching | Probable | 60.40 Mt | — | — | 0.21% | 0.13 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Leaching)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Leaching)
QA notes:
|
| Milling - Low Grade Stockpile | Proved | 20.40 Mt | 0.16 g/t | 0.10 Moz | 0.17% | 0.04 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Milling)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Milling)
QA notes:
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| Milling - Low Grade Stockpile | Probable | 154.90 Mt | 0.16 g/t | 0.78 Moz | 0.18% | 0.28 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Milling)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Milling)
QA notes:
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| Milling - Oxide Mill Ore | Proved | 45.40 Mt | 0.71 g/t | 1.03 Moz | 0.52% | 0.23 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Milling)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Milling)
QA notes:
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| Milling - Oxide Mill Ore | Probable | 52.00 Mt | 0.59 g/t | 0.99 Moz | 0.36% | 0.19 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Milling)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Milling)
QA notes:
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| Milling - Sulfide Mill Ore | Proved | 76.50 Mt | 0.45 g/t | 1.12 Moz | 0.26% | 0.20 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Milling)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Milling)
QA notes:
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| Milling - Sulfide Mill Ore | Probable | 499.70 Mt | 0.36 g/t | 5.75 Moz | 0.25% | 1.26 Mt Cu | 31 July 2025 | Table 1 - Mineral Reserve (Milling)Unverified | notes (2)Source: St. Augustine Announces Positive Results of the Kingking Copper-Gold Project Updated Preliminary Feasibility Study · published 31 July 2025 Ref: Table 1 - Mineral Reserve (Milling)
QA notes:
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Rows are hierarchical, not additive — do not sum a column across rows. Whole-project rows (Area “Total”) already contain the indented named-area rows beneath them, and an issuer's printed per-deposit total can itself contain other listed areas. All derived totals and rollups on this site already exclude the overlapping rows.